The Nicleosus is found within
The name of the structure labeled as A is 'myosin'. Moreover, the name of the structure labeled as B is 'actin'.
A sarcomere is the basic unit of muscle contraction. This unit is defined as the region between two Z-lines.
Band A is a central band composed of the thick filaments of myosin.
Moreover, the sarcomere also has two halves of a band known as I-band, which consists of thin filaments of actin.
Muscle contraction is caused by the interaction between actin and myosin protein filaments in the sarcomeres.
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Answer:
All cells arise from pre-existing cells
Explanation:
The fluorescence marker tags to the enzyme when see with a powerful microscope the fluorescence will be observed in the mitochondrial matrix of the cell.
Explanation:
The enzyme responsible for the transfer of acetyl CoA group to oxaloacetate is ATP citrate lyase. It is produced in the matrix of the mitochondria in the cell during aerobic respiration.
The transfer of acetyl CoA group to oxaloacetate group marks start of the Kreb's cycle which also occurs in the matrix of mitochondria.
Hence the enzyme ATP citrate lyase when tagged with fluorescence will be seen in mitochondria of the cell.
Answer:
The correct answer is - the long evolution of discoveries and invention leads us to modern microbiology and with all of these inventions we are able to study and control microflora to this extent,
Explanation:
Microbiology is a very vast subject and is developed over a long period since the invention of the microscope took place we are able to find different microbes that cause disease or can help in understand and study the microbes.
Antony Van Leeuwenhoek - developed microscopes and called microbes animucules
Louis Pasteur (1822-1895) - fermentation, disapproved of spontaneous generation, killing bacteria with heat or pasteurization.
Edward Jenner (1749-1823) - variolation and father of immunology
Robert Koch (1843-1910) - find out the bacteria and demonstrarted the role of disinfectant, father of microbiology.